Human Body Systems and Homeostasis

In cellular respiration, which of the following is produced if there is not enough oxygen available?

• Glucose

• Water

• ATP

• Lactic Acid

Tags

NGSS.HS-LS2-3

Another term for respiration "without oxygen" is

• anaerobic respiration

• aerobic respiration

• photosynthesis

• hypertonic solution

Tags

NGSS.HS-LS2-3

In an investigation, the independent variable is the variable that is

• measured by the investigator

• changed by the investigator

• not changed throughout the investigation, so that the relationships between a variable that is changed can be better understood.

• represented on a graph on the y axis.

In humans, the organ that most directly regulates the concentration of water in the blood is the

• heart

• liver

• pancreas

• kidney

Tags

NGSS.HS-LS1-3

Which part of the human respiratory system is a thin, moist structure with a membrane where gas exchange occurs?

• nostrils

• trachea

• arteries

• alveoli

In an external environment that is always changing, an organism must be able to maintain relatively constant internal conditions. This maintenance of a stable internal environment is known as

• transport

• homeostasis

• metabolism

• nutrition

Tags

NGSS.HS-LS1-3

Which part of the body secretes insulin and glucagon?

• liver

• small intestine

• lungs

• pancreas

Tags

NGSS.MS-LS1-7

An increase in the level of insulin in the blood would most directly result in

• a decrease in the amount of glucose in the blood

• a decrease in the amount of protein in the blood

• an increase in the amount of fat in cells

• an increase in the amount of carbon dioxide in cells

Tags

NGSS.HS-LS1-3

When a person breaks down fat through exercise, what are the waste products that are created?

• ATP and oxygen

• Water and oxygen

• Oxygen and glucose

• Water and carbon dioxide

Tags

NGSS.HS-LS2-3

NGSS.HS-LS1-7

A red blood cell placed into distilled water is

• hypertonic to the distilled water.

• isotonic to the distilled water.

• quickly shrinking as it loses the water in its cytoplasm.

• hypotonic to the distilled water.